Has Mr. White arrived, Tom?–Yes, sir. _____ he come in to see you right now?

This is a very interesting book. I’ll buy it, _____.

Mr. Li, I can’t understand everything in class.—Don’t worry! I’ll ________ the main points at the end.

Could we buy a piano， Jack—I’m afraid there ______ enough room for one in the house.

She had to sell the house even though it was her own wish.